Definition

1. Adjective:

   • Relating to mammals: Of or pertaining to the biological class Mammalia, characterized by features such as hair/fur, mammary glands for milk production, and (typically) giving birth to live young.

2. Noun:

   • A mammal: Any member of the class Mammalia; a warm-blooded vertebrate animal that has skin more or less covered with hair, gives birth to live young (with rare exceptions like monotremes), and nourishes its offspring with milk.

Usage Examples

• Adjective:

  • The study focused on mammalian brain development. (The research was concerned with the brain development of mammals.)
  • Whales exhibit unique mammalian adaptations for aquatic life. (Whales show special adaptations that are characteristic of mammals for living in water.)

• Noun:

  • Bats are the only flying mammalian. (Bats are the only mammals capable of true flight.)
  • This fossil provides new insights into early mammalian evolution. (This fossil gives new understanding about the evolution of early mammals.)

Advanced Usage

• "Mammalian characteristics": The defining traits of mammals, such as endothermy (warm-bloodedness), hair, and mammary glands.
  • The presence of a neocortex is a key mammalian characteristic.
• In a taxonomic context: Used to specify the class level in biological classification.
  • The researcher specializes in mammalian taxonomy.

Variants and Related Words

• Mammal (n): The more common noun form for an individual animal of the class Mammalia.
  • Humans, dogs, and elephants are all mammals.
• Mammalia (n): The scientific name for the class of mammals.
• Mammalogy (n): The branch of zoology that deals with the study of mammals.

Synonyms

• For the noun: mammal, creature (in a general biological context, though less precise).
• For the adjective: There is no direct single-word synonym; paraphrases like "of mammals" or "pertaining to mammals" are used.

Related Phrases

• Mammalian species: Refers to the different types of mammals.
  • Conservation efforts aim to protect endangered mammalian species.
• Mammalian physiology: The study of how mammalian bodies function.
  • The course covers the principles of mammalian physiology.

Adjective

1. of or relating to the class Mammalia

Noun

1. any warm-blooded vertebrate having the skin more or less covered with hair; young are born alive except for the small subclass of monotremes and nourished with milk